CN201311090Y - Water quantity servo device used on electric heater - Google Patents
Water quantity servo device used on electric heater Download PDFInfo
- Publication number
- CN201311090Y CN201311090Y CNU2008201671520U CN200820167152U CN201311090Y CN 201311090 Y CN201311090 Y CN 201311090Y CN U2008201671520 U CNU2008201671520 U CN U2008201671520U CN 200820167152 U CN200820167152 U CN 200820167152U CN 201311090 Y CN201311090 Y CN 201311090Y
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- China
- Prior art keywords
- water
- valve body
- stepper motor
- electric heater
- spool
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a water quantity servo device used on electric heater, which comprises a valve body and a valve core, wherein a water inlet pipe and a water outlet pipe are arranged on the valve body, a water outlet flow gauge and a matched water outlet flow sensor are arranged on the water inlet pipe or the water outlet pipe, a water outlet temperature sensor is arranged on a hot water outlet pipe of an electric heater, and one end of the valve core is connected with a stepper motor in a driving way, and the valve core is enabled to penetrate in the valve body along the inner cavity of the valve body in an axial reciprocatingly-moved mode, the outer surface of the valve core is provided with a conical surface or a conical groove, an inner shoulder is arranged in the valve body, and a gap between the outer surface of the valve core and the inner shoulder of the valve body is a water flow channel. Compared with the prior art, the water quantity servo device used on electric heater leads water in a water tank of an electric heater to sufficiently heat, guarantees that the water output temperature reaches a preset temperature, and leads the use to be more comfortable, and the water quantity servo device used on electric heater can automatically adjust the opening size under the circumstance that water pressure is changed, which reduces the fluctuation range of water outlet temperature, and leads users without sensing the variation of water temperatures.
Description
Technical field
The utility model relates to electric heater, the particularly a kind of water yield servomechanism installation on the electric heater of being used for that can regulate inflow automatically.
Background technology
Electric heater before use, the user at first makes the electric heater energising, on guidance panel, set required leaving water temperature then, yet sometimes, and the temperature set excessive at the inflow of electric heater and cold water temperature differ under the bigger situation, and electric heater is too short relatively heat time heating time for cold water specific in the water tank, and is feasible, even electric heater is under the state of maximum heating power, actual leaving water temperature still can not reach the leaving water temperature that the user sets.Especially in winter, the cold water temperature that enters the electric heater water tank is lower relative other seasons, and user's aperture of manual adjustments inlet valve in advance not often, to reduce inflow, like this, the current of electric heater water tank of flowing through are bigger, and electric heater all the time can't the cold water that temperature in the water tank is lower be heated to the temperature of its setting, cause leaving water temperature to cross cold and reduce the comfortableness of using.In addition, sometimes in use, the hydraulic pressure of the water inlet end of electric heater water tank changes, and also can cause the instability of leaving water temperature, brings a lot of inconveniences to use.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of water yield servomechanism installation that is used on the electric heater at above-mentioned prior art present situation, it can not reduce inflow when the leaving water temperature of electric heater reaches user's design temperature, to guarantee that leaving water temperature reaches the temperature of setting, use is more comfortable.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: the water yield servomechanism installation that this is used on the electric heater, include valve body and spool, and it is characterized in that:
Described spool is divided into body cavity water chamber, the intake antrum that lays respectively at and arranged on left and right sides;
The position of corresponding intake antrum is provided with water inlet pipe on the described valve body, and the position of corresponding water chamber is provided with outlet pipe on the valve body, and this water inlet pipe or outlet pipe are provided with water flow meter and supporting water flow sensor;
The hot water outlet pipe of electric heater is provided with the leaving water temperature sensor;
The stepper motor transmission outer with being located at valve body of one end of described spool links to each other, and make spool being installed in the valve body along the mode that axially moves back and forth of body cavity, and, described valve core outer surface has taper surface or cone tank, described valve interior surface to should the spool taper surface or the position of cone tank be provided with interior shoulder, the gap between the interior shoulder of the outer surface of this spool and valve body is the water stream channel that is communicated with intake antrum and water chamber.
When practice, this water yield servomechanism installation and the responsible controller (as wiring board, single-chip microcomputer and operator etc.) that receives, handles each sensor signal and control step motor action can be integrated in the housing, improve the versatility of product; Water flow meter of installing on water inlet pipe wherein or the outlet pipe and supporting water flow sensor, purpose is to give in other words to stepper motor keying signal of controller of control step motor action, have in pipe promptly that stepper motor just gives unlatching under the situation that water flows through, otherwise motor is in holding state, in order to avoid stepper motor is in running order all the time; Leaving water temperature sensor wherein is used to detect coolant-temperature gage, so that by the controller temperature set in advance of this leaving water temperature and user relatively, and send work order to stepper motor according to result relatively, control spool moving by the action of stepper motor relative to valve body, with the size of the water stream channel between regulating spool and the valve body, thereby realization is to the control of flow of inlet water.
As further improvement, can also be provided with on water inlet pipe or the outlet pipe on the described valve body into water temperature sensor, so that according to the temperature of entry (being cold water), water outlet (hot water) and the position that flow comes regulating spool, guarantee that actual leaving water temperature reaches the temperature of setting more accurately.
One end of described spool can directly be the output of stepper motor, the motor shaft that passes through that also can be indirect is connected with stepper motor, the mounting means of described stepper motor outside valve body can adopt existing various technology, for making assembling simpler, can carry out following setting: described valve body has the extension that is set in periphery, stepper motor end, have the hole on this extension, end and extension by insert fixing card in this hole with stepper motor connect;
For strengthening the sealing property between stepper motor and the valve body, can be provided with the 3rd O-ring seals between the end of described stepper motor and the valve interior wall.
The mounting means of described stepper motor outside valve body also can carry out following setting: also be provided with bearing between described valve body and the stepper motor, the end of stepper motor is inserted in this bearing, have aperture on this bearing, card connects stepper motor and bearing by inserting fixedly in this aperture, the motor shaft of stepper motor then passes these bearing central authorities and extend into body cavity, and, this bearing has the elongated end that extend into described body cavity, this elongated end outer periphery is equipped with annular groove, this annular groove is embedded with first O-ring seals, so that form excellent sealing between elongated end and the valve body;
For the motor shaft that makes stepper motor moves more stable, can also be provided with slip guiding sleeve between described bearing and the motor shaft, this slip guiding sleeve is stuck in the bearing by the step of periphery, and, end and compact heap slip guiding sleeve between and spacing of this slip guiding sleeve by being arranged on stepper motor;
Be further enhanced leaktightness, can also be provided with second O-ring seals between described compact heap and the slip guiding sleeve.
For the portable stepper motor of rotation, one end of described spool can directly be meshed with the output of stepper motor and transmission links to each other, described spool also is engaged with an axle bed in that end periphery near stepper motor, peripheral that end outside near stepper motor of this axle bed has a circle boss, described valve body also is fixed with a fixed head in that end outside near stepper motor, the boss of described axle bed just in time is stuck between the step of valve body inboard and this fixed head and has limited moving of axle bed, and, described fixed head has erose medium pore, and the end of this axle bed just in time is inserted in the medium pore of this fixed head and has limited the rotation of axle bed.
Be further enhanced leaktightness, between described spool periphery, spool and the axle bed, can also be respectively arranged with the 4th, the 5th and the 6th O-ring seals between the boss of axle bed and the valve interior wall.
Compared with prior art, advantage of the present utility model is: when electric heater under the operating mode of maximum heating power, when leaving water temperature still can not reach the temperature of user's setting, also be, when the actual leaving water temperature that controller receives does not reach user's design temperature, control spool moving by the action of stepper motor relative to valve body, size with the water stream channel between regulating spool and the valve body, flow of inlet water is reduced, thereby the interior water of water tank of electric heater can fully be heated, guarantee that leaving water temperature reaches the temperature of setting, use is more comfortable; Sometimes, electric heater in use, under the situation that hydraulic pressure changes, device of the present utility model also can be adjusted the aperture size automatically, guarantee effluent temperature constancy, reduced the fluctuating range of leaving water temperature, make the variation of the imperceptible water temperature of user basically.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the schematic diagram of movements of the utility model embodiment one.
Fig. 3 is the structural representation of the utility model embodiment two.
Fig. 4 is the structural representation of the utility model embodiment three.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Embodiment one:
As depicted in figs. 1 and 2, the water yield servomechanism installation that this is used on the electric heater includes valve body 1 and spool 2;
Wherein, described spool 2 is divided into valve body 1 inner chamber water chamber A, the intake antrum B that lays respectively at and arranged on left and right sides;
The position of corresponding intake antrum B is provided with water inlet pipe 11 on the described valve body 1, the position of corresponding water chamber A is provided with outlet pipe 12 on the valve body 1, and this outlet pipe 12 is provided with into water temperature sensor 52, water flow meter 41 and supporting water flow sensor 42;
The hot water outlet pipe of electric heater is provided with leaving water temperature sensor 51;
One end of described spool 2 is connected by motor shaft 31 stepper motor 3 outer with being located at valve body 1, and make spool 2 being installed on along the mode that axially moves back and forth of valve body 1 inner chamber in the valve body 1, and, described spool 2 outer surfaces have taper surface 21, shoulder 13 in described valve body 1 inner surface is provided with position that should spool 2 taper surfaces, the taper surface 21 of this spool 2 is the water stream channel that is communicated with intake antrum B and water chamber A with gap between the interior shoulder 13 of valve body 1.
The mounting means of described stepper motor 3 outside valve body 1 is as follows: also be provided with bearing 6 between valve body 1 and the stepper motor 3, the end 32 of stepper motor 3 is inserted in this bearing 6, have aperture 61 on this bearing 6, card 62 connects stepper motor 3 and bearing 6 by inserting fixedly in this aperture 61,31 of the motor shafts of stepper motor 3 pass these bearing 6 central authorities and extend into valve body 1 inner chamber, and, this bearing 6 has the elongated end 63 that extend into described valve body 1 inner chamber, these elongated end 63 outer periphery are equipped with annular groove, this annular groove is embedded with first O-ring seals 71, so that form excellent sealing between elongated end 63 and the valve body 1;
Also be provided with slip guiding sleeve 64 between described bearing 6 and the motor shaft 31, this slip guiding sleeve 64 is stuck in the bearing 6 by the step of periphery, and, end 32 and the compact heap 65 slip guiding sleeve 64 between and spacing of this slip guiding sleeve 64 by being arranged on stepper motor 3, simultaneously, also be provided with second O-ring seals 72 between compact heap 65 and the slip guiding sleeve 64.
Referring to Fig. 2, operating principle is as follows:
It should be noted that in schematic diagram of movements shown in Figure 2, the water yield servomechanism installation that is used on the electric heater of present embodiment has given schematically illustrating with decomposed form.
After electric heater 81 energisings, the user configures required temperature on operator 82, open gondola water faucet and use hot water, at this moment, water flow sensor 42 in the valve body 1 on the outlet pipe 12 transfers signals on the automatically controlled plate 83, leaving water temperature sensor 51, going into the temperature signal that water temperature sensor 52 all incites somebody to action separately is transferred on the automatically controlled plate 83, automatically controlled plate 83 is after receiving above-mentioned signal, promptly compare design temperature and actual leaving water temperature, if actual leaving water temperature is littler than design temperature, then automatically controlled plate 83 sends work order to stepper motor 3, stepper motor 3 moves and spool 2 is moved forward to dwindle the water stream channel between spool 2 and the valve body 1, thereby reduce cold water and enter the water yield in the electric heater water tank (cold water direction shown in up the arrow in Fig. 2 enters electric heater), actual leaving water temperature until electric heater reaches the temperature that the user sets, in whole use, automatically controlled plate 83 all sends work order according to result relatively to stepper motor 3, regulate the flow that cold water enters electric heater, the temperature that leaving water temperature and user are set is consistent.
Embodiment two:
As shown in Figure 3, be the utility model embodiment two, the distinctive points of itself and embodiment one is the mounting means of stepper motor 3 outside valve body 1, specific as follows: described valve body 1 has the extension 14 that is set in 32 peripheries, stepper motor 3 ends, have hole 14a on this extension 14, by in the 14a of this hole, inserting fixing card 62 end 32 of stepper motor 3 blocked with the extension 14 of valve body 1 and to establish, and, also be provided with the 3rd O-ring seals 73 between the end 32 of stepper motor 3 and valve body 1 inwall.
Embodiment three:
As shown in Figure 4, be the utility model embodiment three, the distinctive points of itself and embodiment one is: described water temperature sensor 52, water flow meter 41 and supporting water flow sensor 42 are arranged in the valve body 1 on the water inlet pipe 11;
The outer surface of described spool 2 is uniformly distributed with six cone tanks of axially offering 22 along spool 2, and the cone tank 22 of this spool 2 is the water stream channel that is communicated with intake antrum B and water chamber A;
One end of described spool 2 directly is meshed with the output of stepper motor 3 and transmission links to each other, described spool 2 also is engaged with an axle bed 9 in that end periphery near stepper motor 3, these axle bed 9 peripheral those end outsides near stepper motor 3 have a circle boss 91, described valve body 1 also is fixed with a fixed head 10 in that end outside near stepper motor 3, the boss 91 of described axle bed 9 just in time is stuck between the step 14 of valve body 1 inboard and this fixed head 10 and has limited moving of axle bed 9, and, described fixed head 10 has erose medium pore 10a, and the end of this axle bed 9 just in time is inserted among the medium pore 10a of this fixed head 10 and has limited the rotation of axle bed 9.
Be further enhanced leaktightness, between described spool 2 peripheries, spool 2 and the axle bed 9, also be respectively arranged with the 4th, the 5th and the 6th O-ring seals between the boss 91 of axle bed 9 and valve body 1 inwall.
Claims (9)
1, a kind of water yield servomechanism installation that is used on the electric heater includes valve body and spool, it is characterized in that:
Described spool is divided into body cavity water chamber, the intake antrum that lays respectively at and arranged on left and right sides;
The position of corresponding intake antrum is provided with water inlet pipe on the described valve body, and the position of corresponding water chamber is provided with outlet pipe on the valve body, and this water inlet pipe or outlet pipe are provided with water flow meter and supporting water flow sensor;
The hot water outlet pipe of electric heater is provided with the leaving water temperature sensor;
The stepper motor transmission outer with being located at valve body of one end of described spool links to each other, and make spool being installed in the valve body along the mode that axially moves back and forth of body cavity, and, described valve core outer surface has taper surface or cone tank, described valve interior surface to should the spool taper surface or the position of cone tank be provided with interior shoulder, the gap between the interior shoulder of the outer surface of this spool and valve body is the water stream channel that is communicated with intake antrum and water chamber.
2, the water yield servomechanism installation that is used on the electric heater according to claim 1 is characterized in that: also be provided with into water temperature sensor on water inlet pipe or the outlet pipe on the described valve body.
3, the water yield servomechanism installation that is used on the electric heater according to claim 1 and 2, it is characterized in that: an end of described spool is connected with stepper motor by motor shaft, the mounting means of described stepper motor outside valve body is as follows: also be provided with bearing between described valve body and the stepper motor, the end of stepper motor is inserted in this bearing, have aperture on this bearing, card connects stepper motor and bearing by inserting fixedly in this aperture, the motor shaft of stepper motor then passes these bearing central authorities and extend into body cavity, and, this bearing has the elongated end that extend into described body cavity, this elongated end outer periphery is equipped with annular groove, and this annular groove is embedded with first O-ring seals.
4, the water yield servomechanism installation that is used on the electric heater according to claim 3, it is characterized in that: also be provided with slip guiding sleeve between described bearing and the motor shaft, this slip guiding sleeve is stuck in the bearing by the step of periphery, and, end and compact heap slip guiding sleeve between and spacing of this slip guiding sleeve by being arranged on stepper motor.
5, the water yield servomechanism installation that is used on the electric heater according to claim 4 is characterized in that: also be provided with second O-ring seals between described compact heap and the slip guiding sleeve.
6, the water yield servomechanism installation that is used on the electric heater according to claim 1 and 2, it is characterized in that: an end of described spool is connected with stepper motor by motor shaft, the mounting means of described stepper motor outside valve body is as follows: described valve body has the extension that is set in periphery, stepper motor end, have the hole on this extension, the end of stepper motor and the extension of valve body are connected by in this hole, inserting fixedly card.
7, the water yield servomechanism installation that is used on the electric heater according to claim 6 is characterized in that: also be provided with the 3rd O-ring seals between the end of described stepper motor and the valve interior wall.
8, the water yield servomechanism installation that is used on the electric heater according to claim 1 and 2, it is characterized in that: an end of described spool directly is meshed with the output of stepper motor and transmission links to each other, described spool also is engaged with an axle bed in that end periphery near stepper motor, peripheral that end outside near stepper motor of this axle bed has a circle boss, described valve body also is fixed with a fixed head in that end outside near stepper motor, the boss of described axle bed just in time is stuck between the step of valve body inboard and this fixed head and has limited moving of axle bed, and, described fixed head has erose medium pore, and the end of this axle bed just in time is inserted in the medium pore of this fixed head and has limited the rotation of axle bed.
9, the water yield servomechanism installation that is used on the electric heater according to claim 8 is characterized in that: between described spool periphery, spool and the axle bed, also be respectively arranged with the 4th, the 5th and the 6th O-ring seals between the boss of axle bed and the valve interior wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201671520U CN201311090Y (en) | 2008-10-30 | 2008-10-30 | Water quantity servo device used on electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201671520U CN201311090Y (en) | 2008-10-30 | 2008-10-30 | Water quantity servo device used on electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201311090Y true CN201311090Y (en) | 2009-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201671520U Expired - Lifetime CN201311090Y (en) | 2008-10-30 | 2008-10-30 | Water quantity servo device used on electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201311090Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900951A (en) * | 2012-11-05 | 2013-01-30 | 沁园集团股份有限公司 | Integrated automatic device |
| CN102920335A (en) * | 2012-11-05 | 2013-02-13 | 沁园集团股份有限公司 | Full automatic instant-heat brewing machine |
| CN103732998A (en) * | 2011-01-28 | 2014-04-16 | 热高国际公司 | Water heating system |
| CN106678373A (en) * | 2016-11-18 | 2017-05-17 | 宁波方太厨具有限公司 | Water quantity server |
| CN110986352A (en) * | 2019-11-19 | 2020-04-10 | 上海乾进节能科技有限公司 | Central hot water system with water volume servo function |
| CN111609559A (en) * | 2020-05-26 | 2020-09-01 | 厦门帅科卫浴电器有限公司 | Novel multifunctional water outlet device |
-
2008
- 2008-10-30 CN CNU2008201671520U patent/CN201311090Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103732998A (en) * | 2011-01-28 | 2014-04-16 | 热高国际公司 | Water heating system |
| CN103732998B (en) * | 2011-01-28 | 2017-04-12 | 热高国际公司 | Water heating system |
| CN102900951A (en) * | 2012-11-05 | 2013-01-30 | 沁园集团股份有限公司 | Integrated automatic device |
| CN102920335A (en) * | 2012-11-05 | 2013-02-13 | 沁园集团股份有限公司 | Full automatic instant-heat brewing machine |
| CN102900951B (en) * | 2012-11-05 | 2014-06-04 | 沁园集团股份有限公司 | Integrated automatic device |
| CN102920335B (en) * | 2012-11-05 | 2014-10-22 | 沁园集团股份有限公司 | Full automatic instant-heat brewing machine |
| CN106678373A (en) * | 2016-11-18 | 2017-05-17 | 宁波方太厨具有限公司 | Water quantity server |
| CN110986352A (en) * | 2019-11-19 | 2020-04-10 | 上海乾进节能科技有限公司 | Central hot water system with water volume servo function |
| CN111609559A (en) * | 2020-05-26 | 2020-09-01 | 厦门帅科卫浴电器有限公司 | Novel multifunctional water outlet device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090916 |